Why it works: Beef and onion are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,092 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Curry of Cold Roast Beef
Ingredients
Directions
Prepare
Cut the cold roast beef into small, square pieces.
Dredge the pieces with flour.
Finely chop the onion.
Cook the curry
Fry the onion in butter in a chafing dish.
Add the stock and curry powder.
Stir in the beef pieces.
Let the mixture simmer for 10 to 15 minutes.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Beef + oniontop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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Beef + buttertop 16% of all pairsSmell alikemoderateCooked together10,847 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
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Flour + oniontop 17% of all pairsSmell alikemoderateCooked together32,460 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Cold roast beef
- Provides the main protein, which is already cooked and only needs warming through in the sauce.
- Flour
- Coats the beef so the curry sauce thickens and clings to the meat.
- Onion
- Softens and sweetens as it fries in butter, forming the flavour base of the sauce.
- Butter
- Fat that carries the curry powder's flavour and helps fry the onion evenly.
- Stock
- Liquid that forms the sauce and moistens the beef as it simmers.
- Curry powder
- Supplies the spice blend that gives the dish its characteristic aroma and flavour.
The step that matters
Dredging the beef in flour. Flour on the meat's surface gelatinises in the hot liquid, thickening the sauce and helping it cling to the beef. Coat the pieces evenly so the sauce does not turn lumpy or thin.
Swap the onion
How well each one fits the dish's main ingredients (beef, flour, butter):
- Chivefits about as well
- Leekfits about as well
- Potatofits about as well
- Onionthe original
Fit is the average pairing score against beef, flour, butter. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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